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The anion O^- is isoelectronic with ...

The anion `O^-` is isoelectronic with `N^(2-)`, `F^-`, `N^(3-)`, `Ne`

A

N^(2-)'

B

F^-'

C

N^(3-)'

D

Ne

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The correct Answer is:
A
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V PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which of the following has largest negative electron gain enthalpy?

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  2. Which one of the following elements belongs to the family of elements ...

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  3. The anion O^- is isoelectronic with N^(2-), F^-, N^(3-), ...

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  4. Which of the following is not a transition metal? Silver, Lead, Tun...

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  5. The ionic size of Na^+, Mg^(2+), Al^(3+) and Si^(4+) follows the order...

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  6. Amongst the following elements (where electronic configurations are gi...

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  7. The penetration of the electrons in any principal shell varies as: sg...

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  8. Which of the following oxide is most acidic?

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  9. element, Meitnerium '(Z=109)' belongs to :

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  10. Which one of the following processes proceeds with the absorption of e...

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  11. Which of the following statement is, correct?

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  12. Ionization enthalpy of lithium is 520 kJ mol^(-1). How much enthalpy i...

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  13. In the second period of the periodic table, ionisation enthalpy follow...

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  14. Which of the following configuration is expected to have maximum diffe...

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  15. Element with atomic number 56 belongs to which block?

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  16. The ionic radii of isoelectronic species 'N^(3-), O^(2-)' and 'F^-' in...

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  17. The ions 'O^(2-), F^-, Na, Mg^(2+)' and 'Al^(3+)' are isoelectronic. T...

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  18. Which of the following grouping represents a collection of isoelectron...

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  19. Ionic radii are

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  20. Which of the following ions has the highestvalue of ionic radius?

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